{"instruction": "You are an expert in relationship extraction. Please extract relationship triples that match the schema definition from the input. Return an empty list for relationships that do not exist. Please respond in the format of a JSON string.", "schema": ["employee of", "city of headquarters", "country of headquarters"], "input": "After Kennedy's assassination his successor Lyndon Johnson appointed Presidential Representative with the rank of Special Ambassador to the presidential inauguration ceremonies of Dr.  Leoni  in  Venezuela  ."}
{"employee of": [{"subject": "Leoni", "object": "Venezuela"}], "city of headquarters": [], "country of headquarters": []}